Monthly snapshot · Sep 1, 2026 – Sep 30, 2026
AI outage report: September 2026
7 AI services with official status pages reported 47 incidents in September 2026. Cursor reported the most, with 23 (6 major). Counts come from each provider's own status page and exclude scheduled maintenance. Providers only publish their most recent incidents, so older months may be incomplete for very busy services.
| Service | Incidents | Major | Avg. time to fix | Total downtime | Latest incident |
|---|---|---|---|---|---|
| Cursor | 23 | 6 | 1h 39m | 36h 18m | Sep 29, 2026 — Investigating service degradation - xAI models |
| Claude | 13 | 8 | 8h 46m | 5d | Sep 29, 2026 — Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API |
| Mistral AI | 10 | 4 | 1h 19m | 13h 6m | Sep 29, 2026 — Elevated error rate on some of our services |
| Cohere | 1 | 0 | 4h 22m | 4h 22m | Sep 1, 2026 — Multiple Endpoint Disruptions |
| ChatGPT | 0 | 0 | — | — | None |
| ElevenLabs | 0 | 0 | — | — | None |
| OpenAI API | 0 | 0 | — | — | None |
No official incident feed for: Amazon Bedrock, Azure OpenAI, Character AI, DeepSeek, Gemini, Google AI Studio, Hugging Face, Leonardo AI, Midjourney, Perplexity, Poe, Runway, Suno. Their pages show live checks only.
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How this report works
DownSignal reads the public incident history each AI provider publishes on its official status page. We count incidents that started in September 2026, mark those the provider labeled major or critical, and measure time to fix from the start of an incident to when the provider marked it resolved. Status pages only list problems providers admit to, so real downtime can be higher. Feel free to cite this page; please link back.